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Recommended Reading
-------------------
-* `USB in a Nutshell <http://www.beyondlogic.org/usbnutshell/usb1.htm>`_, an overview from Beyond Logic
+* `USB in a Nutshell <http://www.beyondlogic.org/usbnutshell/usb1.shtml>`_, an overview from Beyond Logic
* `USB made simple <http://www.usbmadesimple.co.uk/>`_, an illustrated series of articles on USB
* The `USB 2.0 Specification <http://www.usb.org/developers/docs/>`_ (`direct link <http://www.usb.org/developers/docs/usb_20_021411.zip>`_)
* `Embedded USB - a brief tutorial <http://www.computer-solutions.co.uk/info/Embedded_tutorials/usb_tutorial.htm>`_